linux-kernel - Re: [PATCH RFC net 2/2] nfc: nxp-nci: Fix i2c read on ThinkPad hardware

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Message-ID: <84508d22-2dcd-c49f-2424-37a717a49e1b@linaro.org>
Date:   Wed, 7 Jun 2023 19:46:35 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Marco Giorgi <giorgi.marco.96@...root.org>, netdev@...r.kernel.org
Cc:     u.kleine-koenig@...gutronix.de, davem@...emloft.net,
        michael@...le.cc, kuba@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC net 2/2] nfc: nxp-nci: Fix i2c read on ThinkPad
 hardware

On 07/06/2023 19:00, Marco Giorgi wrote:
> Read IRQ GPIO value and exit from IRQ if the device is not ready.

Why? What problem are you solving?

Why IRQ GPIO - whatever it is - means device is not ready for I2C transfer?

> 
> Signed-off-by: Marco Giorgi <giorgi.marco.96@...root.org>
> ---
>  drivers/nfc/nxp-nci/i2c.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)

Best regards,
Krzysztof